# avg = (67.5 + 89.0 + 12.9 + 32.2) / 4
# total = (67.5 - avg) ** 2 + (89.0 - avg) ** 2 + (12.9 - avg) ** 2 + (32.2 - avg) ** 2
# result = total / 3
# print(result)
# a = 10
# print(type(a))
# a = 20
# print(a)
# a=0.5
# print(type(a))
# a='hello'
# print(len(a))
# a='hello'
# b="hello"
# print(a+b)
# a=True
# print(type(a))
# b=False
# print(type(b))
a=10
print(type(a))
a='hello'
print(type(a))